Starting at 10 a.m. on the 13th Eastern time in the United States (11 p.m. on the 13th Korea time), the U.S. military will begin a blockade of all maritime traffic entering or leaving Iranian ports.
On the 12th, the United States Central Command (CENTCOM) said in a statement that it plans to implement these measures under a proclamation by President Donald Trump.
According to Central Command, the blockade applies equally to all national-flagged vessels entering or leaving Iranian ports and coastal areas, including all Iranian ports in the Arabian Gulf and the Gulf of Oman.
However, Central Command added that for ships merely transiting and not using an Iranian port as an origin or destination, it will not impede freedom of navigation in the Strait of Hormuz.
Earlier, after the first cease-fire talks with Iran collapsed, President Trump said he would initiate blockade procedures on all ships transiting the Strait of Hormuz.
On Truth Social, Trump said, "The U.S. Navy will immediately begin blockade measures on all vessels entering or leaving the Strait of Hormuz," and warned, "Anyone who paid 'illegal tolls' to Iran will not be allowed to sail safely on the high seas."